package com.atguigu.oss.service.impl;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.atguigu.oss.service.OssService;
import com.atguigu.oss.utils.ConstantPropertiesUtils;
import org.joda.time.DateTime;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.UUID;

@Service
public class OssServiceImpl implements OssService {
    //上传文件到oss
    @Override
    public String uploadFileAvatar(MultipartFile file) {
        //工具栏获取值
        String endpoint = ConstantPropertiesUtils.END_POIND;
        String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
        String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
        String bucketName=ConstantPropertiesUtils.BUCKET_NAME;
    try {
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        //获取上传文件输入流
        InputStream inputStream = file.getInputStream();
        //获取文件名称
        String fileName = file.getOriginalFilename();
        //在文件名称里面添加唯一的值
        String uuid = UUID.randomUUID().toString().replaceAll("-", "");
        fileName=uuid+fileName;

        //把文件按照日期分类
        String datePath = new DateTime().toString("yyyy/MM/dd");
        //拼接
        fileName=datePath+"/"+fileName;
        //调用oss方法实现上传
        //第一个参数：bucket名称
        //第二个参数;上传到oss文件路径和作品名称
        //迪桑参数：上传文件输入流
        ossClient.putObject(bucketName, fileName, inputStream);

        // 关闭OSSClient。
        ossClient.shutdown();
        //上传文件之后路径返回
        //需要把上传到阿里云oss路径手动拼接出来
        //
        //https://edu-1322.oss-cn-beijing.aliyuncs.com/7724b1f49d5cdd3d31d0b873a2f31cfd.jpeg
        String url="https://"+bucketName+"."+endpoint+"/"+fileName;
        return url;

    }catch (Exception e){
        e.printStackTrace();
        return null;
    }


    }
}

